Threat description



Stoned.Flame is a newer version of the Stoned virus but does not contain any significant improvements.Like the original Stoned virus, Stoned.Flame infects hard disk MBR's and floppy boot sectors. The special thing about this virus is that it always saves the original boot sector in the same spot on the disk, no matter what the disk type is. This causes data corruption on some types of floppy disks.


Automatic action

Depending on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the suspect file, or ask you for a desired action.

More scanning & removal options

More information on the scanning and removal options available in your F-Secure product can be found in the Help Center.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.

Technical Details

After infecting the hard disk the virus stays memory-resident occupying 1 kB of DOS base memory. When the virus is resident, all floppies used in drive A: are infected unless write-protected.During infection, the virus records the current month. After this it checks the month every time it is run. When the virus detects that the month has changed, it overwrites track 0 of the startup hard disk and displays a picture representing flames.Flame was reported to be in the wild in Finland in August 1993.

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